<template>
  <view class="load-more" v-show="loadingType !== 0">
    <view class="loading-img" v-show="loadingType === 1 && showImage">
      <view class="load1">
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
      </view>
      <view class="load2">
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
      </view>
      <view class="load3">
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
        <view :style="{background:color}"></view>
      </view>
    </view>
    <text
      class="loading-text"
      :style="{color:color}"
    >{{loadingType === 0 ? contentText.contentdown : (loadingType === 1 ? contentText.contentrefresh : contentText.contentnomore)}}</text>
  </view>
</template>

<script>
export default {
  name: "load-more",
  props: {
    loadingType: {
      //上拉的状态：0-loading前；1-loading中；2-没有更多了
      type: Number,
      default: 0
    },
    showImage: {
      type: Boolean,
      default: true
    },
    color: {
      type: String,
      default: "#777777"
    },
    contentText: {
      type: Object,
      default() {
        return {
          contentdown:'上拉显示更多',
          contentrefresh:'加载更多',
          contentnomore: '没有更多了'
        };
      }
    }
  },


};
</script>

<style>
.load-more {
  display: flex;
  flex-direction: row;
  height: 80upx;
  align-items: center;
  justify-content: center;
}

.loading-img {
  height: 24px;
  width: 24px;
  margin-right: 10px;
}

.loading-text {
  font-size: 28upx;
  color: #777777;
}

.loading-img > view {
  position: absolute;
}

.load1,
.load2,
.load3 {
  height: 24px;
  width: 24px;
}

.load2 {
  transform: rotate(30deg);
}

.load3 {
  transform: rotate(60deg);
}

.loading-img > view view {
  width: 6px;
  height: 2px;
  border-top-left-radius: 1px;
  border-bottom-left-radius: 1px;
  background: #777;
  position: absolute;
  opacity: 0.2;
  transform-origin: 50%;
  -webkit-animation: load 1.56s ease infinite;
}

.loading-img > view view:nth-child(1) {
  transform: rotate(90deg);
  top: 2px;
  left: 9px;
}

.loading-img > view view:nth-child(2) {
  -webkit-transform: rotate(180deg);
  top: 11px;
  right: 0px;
}

.loading-img > view view:nth-child(3) {
  transform: rotate(270deg);
  bottom: 2px;
  left: 9px;
}

.loading-img > view view:nth-child(4) {
  top: 11px;
  left: 0px;
}

.load1 view:nth-child(1) {
  animation-delay: 0s;
}

.load2 view:nth-child(1) {
  animation-delay: 0.13s;
}

.load3 view:nth-child(1) {
  animation-delay: 0.26s;
}

.load1 view:nth-child(2) {
  animation-delay: 0.39s;
}

.load2 view:nth-child(2) {
  animation-delay: 0.52s;
}

.load3 view:nth-child(2) {
  animation-delay: 0.65s;
}

.load1 view:nth-child(3) {
  animation-delay: 0.78s;
}

.load2 view:nth-child(3) {
  animation-delay: 0.91s;
}

.load3 view:nth-child(3) {
  animation-delay: 1.04s;
}

.load1 view:nth-child(4) {
  animation-delay: 1.17s;
}

.load2 view:nth-child(4) {
  animation-delay: 1.3s;
}

.load3 view:nth-child(4) {
  animation-delay: 1.43s;
}

@-webkit-keyframes load {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0.2;
  }
}
</style>
